package com.bw.app.service.impl;

import com.bw.app.mapper.VisitorMapper;
import com.bw.app.service.service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service
public class hello_serviceimpl implements service {

    @Autowired
    private VisitorMapper visitorMapper;

    @Override
    public String helloworld() {
        return visitorMapper.helloworld();





    }
}
